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提交 dc19ae4f 编写于 作者: C Cyrus Najmabadi
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Showing with 63 addition and 157 deletion
src/ExpressionEvaluator/Core/Source/ExpressionCompiler/PDB/PdbHelpers.cs
浏览文件 @ dc19ae4f
// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System.Diagnostics;
using Microsoft.CodeAnalysis.PooledObjects;
using Microsoft.DiaSymReader;
using Roslyn.Utilities;
......@@ -82,175 +81,82 @@ public static ConstantValue GetSymConstantValue(ITypeSymbol type, object symValu
type = ((INamedTypeSymbol)type).EnumUnderlyingType;
}
short shortValue;
switch (type.SpecialType)
return type.SpecialType switch
{
case SpecialType.System_Boolean:
if (!(symValue is short))
{
return ConstantValue.Bad;
}
SpecialType.System_Boolean => symValue is short shortVal
? ConstantValue.Create(shortVal != 0)
: ConstantValue.Bad,
return ConstantValue.Create((short)symValue != 0);
SpecialType.System_Byte => symValue is short shortVal && unchecked((byte)shortVal) == shortVal
? ConstantValue.Create((byte)shortVal)
: ConstantValue.Bad,
case SpecialType.System_Byte:
if (!(symValue is short))
{
return ConstantValue.Bad;
}
SpecialType.System_SByte => symValue is short shortVal && unchecked((sbyte)shortVal) == shortVal
? ConstantValue.Create((sbyte)shortVal)
: ConstantValue.Bad,
shortValue = (short)symValue;
if (unchecked((byte)shortValue) != shortValue)
{
return ConstantValue.Bad;
}
SpecialType.System_Int16 => symValue is short shortVal
? ConstantValue.Create(shortVal)
: ConstantValue.Bad,
return ConstantValue.Create((byte)shortValue);
SpecialType.System_Char => symValue is ushort ushortVal
? ConstantValue.Create((char)ushortVal)
: ConstantValue.Bad,
case SpecialType.System_SByte:
if (!(symValue is short))
{
return ConstantValue.Bad;
}
SpecialType.System_UInt16 => symValue is ushort ushortVal
? ConstantValue.Create(ushortVal)
: ConstantValue.Bad,
shortValue = (short)symValue;
if (unchecked((sbyte)shortValue) != shortValue)
{
return ConstantValue.Bad;
}
SpecialType.System_Int32 => symValue is int intVal
? ConstantValue.Create(intVal)
: ConstantValue.Bad,
return ConstantValue.Create((sbyte)shortValue);
SpecialType.System_UInt32 => symValue is uint uintVal
? ConstantValue.Create(uintVal)
: ConstantValue.Bad,
case SpecialType.System_Int16:
if (!(symValue is short))
{
return ConstantValue.Bad;
}
SpecialType.System_Int64 => symValue is long longVal
? ConstantValue.Create(longVal)
: ConstantValue.Bad,
return ConstantValue.Create((short)symValue);
SpecialType.System_UInt64 => symValue is ulong ulongVal
? ConstantValue.Create(ulongVal)
: ConstantValue.Bad,
case SpecialType.System_Char:
if (!(symValue is ushort))
{
return ConstantValue.Bad;
}
SpecialType.System_Single => symValue is float floatVal
? ConstantValue.Create(floatVal)
: ConstantValue.Bad,
return ConstantValue.Create((char)(ushort)symValue);
SpecialType.System_Double => symValue is double doubleVal
? ConstantValue.Create(doubleVal)
: ConstantValue.Bad,
case SpecialType.System_UInt16:
if (!(symValue is ushort))
{
return ConstantValue.Bad;
}
return ConstantValue.Create((ushort)symValue);
case SpecialType.System_Int32:
if (!(symValue is int))
{
return ConstantValue.Bad;
}
return ConstantValue.Create((int)symValue);
case SpecialType.System_UInt32:
if (!(symValue is uint))
{
return ConstantValue.Bad;
}
return ConstantValue.Create((uint)symValue);
case SpecialType.System_Int64:
if (!(symValue is long))
{
return ConstantValue.Bad;
}
return ConstantValue.Create((long)symValue);
case SpecialType.System_UInt64:
if (!(symValue is ulong))
{
return ConstantValue.Bad;
}
return ConstantValue.Create((ulong)symValue);
case SpecialType.System_Single:
if (!(symValue is float))
{
return ConstantValue.Bad;
}
return ConstantValue.Create((float)symValue);
case SpecialType.System_Double:
if (!(symValue is double))
{
return ConstantValue.Bad;
}
return ConstantValue.Create((double)symValue);
case SpecialType.System_String:
if (symValue is int intVal1 && intVal1 == 0)
{
return ConstantValue.Null;
}
if (symValue == null)
{
return ConstantValue.Create(string.Empty);
}
if (!(symValue is string str))
{
return ConstantValue.Bad;
}
return ConstantValue.Create(str);
case SpecialType.System_Object:
if (symValue is int intVal2 && intVal2 == 0)
{
return ConstantValue.Null;
}
return ConstantValue.Bad;
case SpecialType.System_Decimal:
if (!(symValue is decimal decimalValue))
{
return ConstantValue.Bad;
}
return ConstantValue.Create(decimalValue);
case SpecialType.System_DateTime:
if (!(symValue is double))
{
return ConstantValue.Bad;
}
return ConstantValue.Create(DateTimeUtilities.ToDateTime((double)symValue));
case SpecialType.None:
if (type.IsReferenceType)
{
if (symValue is int intValue3 && intValue3 == 0)
{
return ConstantValue.Null;
}
return ConstantValue.Bad;
}
return ConstantValue.Bad;
default:
return ConstantValue.Bad;
}
SpecialType.System_String => symValue switch
{
0 => ConstantValue.Null,
null => ConstantValue.Create(string.Empty),
string str => ConstantValue.Create(str),
_ => ConstantValue.Bad,
},
SpecialType.System_Object => symValue is 0
? ConstantValue.Null
: ConstantValue.Bad,
SpecialType.System_Decimal => symValue is decimal decimalValue
? ConstantValue.Create(decimalValue)
: ConstantValue.Bad,
SpecialType.System_DateTime => symValue is double doubleVal
? ConstantValue.Create(DateTimeUtilities.ToDateTime(doubleVal))
: ConstantValue.Bad,
SpecialType.None => type.IsReferenceType && symValue is 0
? ConstantValue.Null
: ConstantValue.Bad,
_ => ConstantValue.Bad,
};
}
}
}
......
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